using Microsoft.Extensions.DependencyInjection;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using WIDESEA_Core.Helper;
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namespace WIDESEA_Core.Extensions
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{
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/// <summary>
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/// Cors 跨域
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/// </summary>
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public static class CorsSetup
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{
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/// <summary>
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/// 跨域
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/// </summary>
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/// <param name="services"></param>
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/// <exception cref="ArgumentNullException"></exception>
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public static void AddCorsSetup(this IServiceCollection services)
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{
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if (services == null) throw new ArgumentNullException(nameof(services));
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services.AddCors(c =>
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{
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if (!AppSettings.app(new string[] { "Cors", "EnableAllIPs" }).ObjToBool())
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{
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c.AddPolicy(AppSettings.app(new string[] {"Cors", "PolicyName" }),
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policy =>
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{
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policy
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.WithOrigins(AppSettings.app(new string[] { "Cors", "IPs" }).Split(','))
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.AllowAnyHeader()//Ensures that the policy allows any header.
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.AllowAnyMethod();
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});
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}
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else
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{
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//允许任意跨域请求
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c.AddPolicy(AppSettings.app(new string[] { "Cors", "PolicyName" }),
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policy =>
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{
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policy
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.SetIsOriginAllowed((host) => true)
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.AllowAnyMethod()
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.AllowAnyHeader()
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.AllowCredentials();
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});
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}
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});
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}
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}
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}
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